/* Routin — presentation site · shared styles */
:root{
  --espresso:#1a0f07;
  --roast:#3a2616;
  --ink:#241a10;
  --muted:#7d6b58;
  --paper:#fbf8f3;
  --card:#ffffff;
  --rule:#e6ddd0;
  --copper:#c8833a;
  --copper-d:#9c5f22;
  --copper-l:#f8ead8;
  --leaf:#2d6b47;
  --leaf-l:#e4f1e9;
  --alarm:#b83232;
  --alarm-l:#fbe7e7;
  --r:14px;
  color-scheme:light;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:'Commissioner',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:17px;line-height:1.62;color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{color:var(--copper-d)}
a:focus-visible,button:focus-visible{outline:3px solid var(--copper);outline-offset:3px;border-radius:6px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}

/* ── Top bar ── */
.bar{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;gap:20px;
  padding:14px clamp(18px,4vw,48px);
  background:rgba(26,15,7,.96);color:#f4ece1;
  backdrop-filter:blur(8px);
}
.bar .logo{font-weight:800;font-size:22px;letter-spacing:-.04em;color:#fff;text-decoration:none}
.bar .logo span{color:var(--copper)}
.bar nav{display:flex;gap:4px;margin-left:auto;overflow-x:auto}
.bar nav a{color:#d8c9b6;text-decoration:none;font-size:14px;font-weight:500;padding:7px 12px;border-radius:999px;white-space:nowrap}
.bar nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.bar nav a[aria-current="page"]{color:var(--espresso);background:var(--copper)}

/* ── Manual header ── */
.mhead{background:var(--espresso);color:#f4ece1;padding:clamp(48px,9vw,110px) clamp(18px,4vw,48px) clamp(40px,6vw,72px)}
.mhead-in{max-width:1180px;margin:0 auto}
.mhead .who{font-size:15px;color:var(--copper);font-weight:600;margin-bottom:14px}
.mhead h1{font-size:clamp(2.4rem,6.4vw,4.8rem);font-weight:800;line-height:1.02;letter-spacing:-.035em;max-width:14ch;color:#fff}
.mhead p{margin-top:22px;max-width:56ch;font-size:clamp(1.02rem,1.6vw,1.2rem);color:#cdbca7;font-weight:300}
.mhead .meta{margin-top:28px;font-size:13px;color:#9a8672}

/* ── Manual layout ── */
.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(18px,4vw,48px);display:grid;grid-template-columns:230px minmax(0,1fr);gap:clamp(28px,5vw,72px)}
.toc{position:sticky;top:84px;align-self:start;padding:40px 0;max-height:calc(100vh - 84px);overflow-y:auto}
.toc h2{font-size:13px;color:var(--muted);font-weight:600;margin-bottom:12px}
.toc ol{list-style:none;counter-reset:t}
.toc li a{display:block;padding:6px 10px;margin-left:-10px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:14.5px;line-height:1.35}
.toc li a:hover{background:var(--copper-l)}
.toc li a.on{background:var(--espresso);color:#fff}
.toc .grp{font-size:12px;color:var(--muted);margin:16px 0 4px;font-weight:600}

main.doc{padding:40px 0 120px;min-width:0}
.doc section{padding:36px 0 28px;border-bottom:1px solid var(--rule)}
.doc section:last-child{border-bottom:0}
.doc h2{font-size:clamp(1.55rem,3vw,2.1rem);font-weight:750;letter-spacing:-.025em;line-height:1.15;margin-bottom:14px;max-width:26ch}
.doc h2 .n{display:inline-block;min-width:1.7em;color:var(--copper)}
.doc h3{font-size:1.1rem;font-weight:700;margin:26px 0 8px}
.doc p,.doc li{max-width:68ch}
.doc p+p{margin-top:12px}
.doc .lead{font-size:1.1rem;color:var(--roast)}
.doc ul,.doc ol.steps{margin:12px 0 0 0;padding-left:1.25em}
.doc ul li{margin:7px 0}
.doc ul li::marker{color:var(--copper)}

/* Step list (true sequences only) */
ol.steps{list-style:none;padding-left:0!important;counter-reset:s}
ol.steps>li{counter-increment:s;position:relative;padding:0 0 18px 48px;margin:0}
ol.steps>li::before{content:counter(s);position:absolute;left:0;top:-1px;width:32px;height:32px;border-radius:50%;background:var(--copper-l);color:var(--copper-d);font-weight:700;font-size:15px;display:grid;place-items:center}
ol.steps>li::after{content:"";position:absolute;left:15.5px;top:36px;bottom:4px;width:1px;background:var(--rule)}
ol.steps>li:last-child::after{display:none}
ol.steps>li strong:first-child{display:block}

/* UI replicas — the buttons as they look in the apps */
.ui{
  display:inline-flex;align-items:center;gap:5px;white-space:nowrap;
  font-size:.86em;font-weight:600;line-height:1.2;
  padding:3px 10px;border-radius:8px;
  background:var(--card);border:1px solid var(--rule);color:var(--ink);
  box-shadow:0 1px 0 var(--rule);vertical-align:1px;
}
.ui.pri{background:var(--copper);border-color:var(--copper);color:#fff;box-shadow:none}
.ui.ok{background:var(--leaf-l);border-color:#bfdccb;color:var(--leaf)}
.ui.bad{background:var(--alarm-l);border-color:#efc4c4;color:var(--alarm)}
.ui.dark{background:var(--espresso);border-color:var(--espresso);color:#fff}

/* Callouts */
.note{margin:18px 0 4px;padding:14px 18px;border-left:3px solid var(--copper);background:var(--copper-l);border-radius:0 10px 10px 0;max-width:68ch;font-size:.96rem}
.note.rule{border-color:var(--espresso);background:#efe8de}
.note b{font-weight:700}

/* Tables */
.tbl{overflow-x:auto;margin:16px 0 6px;max-width:100%}
table{border-collapse:collapse;min-width:420px;font-size:.95rem}
th,td{text-align:left;padding:9px 16px 9px 0;border-bottom:1px solid var(--rule)}
th{font-weight:600;color:var(--muted);font-size:.85rem}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;padding-right:0;padding-left:20px}

/* Definition grid for screen anatomy */
.anat{display:grid;grid-template-columns:auto 1fr;gap:10px 18px;margin:16px 0;max-width:72ch;align-items:baseline}
.anat dt{font-weight:600;white-space:nowrap}
.anat dd{color:var(--roast)}

/* Mock order card (merchant) */
.oc{display:grid;grid-template-columns:64px 1fr auto;gap:14px;align-items:center;max-width:640px;margin:18px 0;padding:16px;border:1px solid var(--rule);border-radius:var(--r);background:var(--card)}
.oc .t{font-weight:700;font-size:15px;text-align:center;line-height:1.25;color:var(--roast)}
.oc .t small{display:block;font-weight:400;color:var(--muted);font-size:12px}
.oc .nm{font-weight:700}
.oc .it{font-size:14px;color:var(--roast)}
.oc .lc{font-size:13px;color:var(--muted)}
.oc .nt{font-size:13px;color:var(--copper-d)}
.oc .act{display:flex;flex-direction:column;gap:6px;align-items:flex-end}
.oc .code{font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--muted)}
.tag{font-size:11px;font-weight:700;padding:2px 7px;border-radius:5px;margin-left:5px;vertical-align:2px}
.tag.reg{background:var(--copper-l);color:var(--copper-d)}
.tag.ahso{background:var(--espresso);color:#fff}
@media (max-width:560px){.oc{grid-template-columns:52px 1fr}.oc .act{grid-column:1/-1;flex-direction:row;justify-content:flex-end}}

/* Order clock — merchant signature element */
.clock{margin:22px 0 8px;position:relative;padding:8px 0 0}
.clock ol{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.clock ol::before{content:"";position:absolute;left:0;right:0;top:27px;height:3px;background:linear-gradient(90deg,var(--rule),var(--copper) 70%,var(--leaf))}
.clock li{position:relative;padding:0 12px 0 0}
.clock .when{display:inline-block;position:relative;z-index:1;font-weight:800;font-size:15px;letter-spacing:-.01em;background:var(--espresso);color:#fff;padding:7px 12px;border-radius:999px;margin-bottom:14px}
.clock li:last-child .when{background:var(--leaf)}
.clock .what{font-weight:700;font-size:15px;line-height:1.3}
.clock .how{font-size:14px;color:var(--muted);margin-top:4px;line-height:1.45}
@media (max-width:760px){
  .clock ol{grid-template-columns:1fr;gap:18px}
  .clock ol::before{left:40px;right:auto;top:0;bottom:0;width:3px;height:auto;background:linear-gradient(180deg,var(--rule),var(--copper) 70%,var(--leaf))}
  .clock li{display:grid;grid-template-columns:84px 1fr;align-items:start;padding:0}
  .clock .when{justify-self:start;margin:0}
}

.foot{border-top:1px solid var(--rule);padding:28px clamp(18px,4vw,48px);font-size:13px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;max-width:1180px;margin:0 auto}

/* ── Responsive ── */
@media (max-width:900px){
  .wrap{grid-template-columns:1fr;gap:0}
  .toc{position:sticky;top:58px;z-index:10;background:var(--paper);padding:10px 0;margin:0 calc(-1*clamp(18px,4vw,48px));padding-left:clamp(18px,4vw,48px);border-bottom:1px solid var(--rule);max-height:none;overflow-x:auto;overflow-y:hidden}
  .toc h2,.toc .grp{display:none}
  .toc ol{display:flex;gap:4px;width:max-content;padding-right:18px}
  .toc li a{margin:0;white-space:nowrap;font-size:13.5px;border:1px solid var(--rule);background:var(--card)}
  html{scroll-padding-top:120px}
  .bar nav a{padding:6px 9px;font-size:13px}
}
@media print{
  .bar,.toc{display:none}
  .wrap{display:block}
  .mhead{background:none;color:var(--ink);padding:0 0 20px}
  .mhead h1{color:var(--ink)}
  .doc section{break-inside:avoid-page}
}